400% is the change from 1 to 5
Calculation steps:
[( 5 - 1 ) ÷ 1] x 100 = 400%
Formula
Percentage change = [(5 - 1) / 1] x 100
Subtract the new number by the original number
5 - 1 = 4
4 ÷ 1 = 4
4 x 100 = 400%
Example